s, a, o, b, d, e, l, n, r, t, i, v are letters that make 'visible radiation'
ti, si, ad, DIA, sib, rad, at, SI, ISI, on, vi, visible, AD, radiation, RA, VI, IA, Io, ion, Ra, LE, At, Si, Ti are words within 'visible radiation'
1 possible definitions for 'visible radiation'
Under this definition, visible radiation is a noun and has the following properties:
light, visible light have the same meaning as 'visible radiation'
'visible radiation' can be a type of actinic radiation, actinic ray.
beam, glow, sun, beam of light, light beam, ray of light, shaft of light, candlelight, candle flame, gegenschein, daylight, firelight, fluorescence, friar's lantern, gaslight, lamplight, starlight, sunlight, torchlight, moonlight, counterglow, half-light, irradiation, shaft, corona, jack-o'-lantern, will-o'-the-wisp, ignis fatuus, radiance, glow, incandescence, luminescence, sunshine, Moon, moonshine, shooting star, streamer, glow, meteor, scintillation, twilight, glowing, ray are types of 'visible radiation'.
'visible radiation' can be a part of electromagnetic spectrum.
'visible radiation' can be a category of physics, natural philosophy.
illume, illumine, light up, illuminate, light are derivatives of 'visible radiation'.